body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    min-height: 100vh;
    position: relative;
}

.title {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 3rem;
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.time {
    text-align: right;
    color: #6c757d;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.intro {
    font-size: 1.2rem;
    color: #495057;
    margin-bottom: 3rem;
    line-height: 1.8;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.intro:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.12);
}

h3 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin: 3rem 0 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid #fd6b08;
    font-weight: 600;
    position: relative;
    transition: color 0.3s ease;
}

h3:hover {
    color: #fd6b08;
}

p {
    margin: 0rem 0;
    color: #495057;
    text-align: justify;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* p[style*="font-weight: bolder"] {
    color: #2c3e50;
    background-color: rgba(253, 107, 8, 0.05);
    padding: 0rem;
    border-radius: 12px;
    margin: 2rem 0;
    border-left: 4px solid #fd6b08;
    transition: all 0.3s ease;
}

p[style*="font-weight: bolder"]:hover {
    background-color: rgba(253, 107, 8, 0.08);
    transform: scale(1.01);
} */

span[style*="color: #fd6b08"] {
    color: #fd6b08;
    font-weight: 500;
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .title {
        font-size: 2.2rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .intro {
        font-size: 1.1rem;
        padding: 1.5rem;
    }
}

/* 添加滚动到顶部按钮样式 */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #fd6b08;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.scroll-to-top.visible {
    opacity: 1;
}

/* 平滑滚动效果 */
html {
    scroll-behavior: smooth;
}

/* 移除原有的卡片式布局相关样式 */
.child {
    margin: 0;
    padding: 0;
    box-shadow: none;
    border: none;
    background: none;
}

.childh3, .childp {
    margin: 0;
    padding: 0;
}

/* 添加段落间距和过渡效果 */
.childp {
    margin: 1.5rem 0;
    transition: opacity 0.3s ease;
}

.childp:hover {
    opacity: 0.9;
}